Fields of Mathematics & Astronomy Baudhayan Baudhayan was the first one ever to arrive at several concepts in Mathematics, which were later rediscovered by the Western world. The value of pi was first calculated by him. Aryabhatta Aryabhatta was a … Continue reading →

Baudhayan: In the first millennium BCE, he wrote the Sulva-Sutra, which includes various trigonometric formulas, including the one for determining the area of a triangle (later known as the Pythagoras theorem), the value of pi, and the square root of … Continue reading →

The Vijayanagara Empire (14th–17th century CE) issued large quantities of gold coins; other metals used in their coinage were pure silver and copper. Pagodas – higher denomination –figure of running warrior along with dagger symbol Gold fanams – fractional units … Continue reading →

Turkish and Delhi Sultanate Coins The coins had inscriptions in the form of the king’s name, title, and date as per the Hijri calendar. The coins did not bear any image of the issuing monarch as there was a prohibition … Continue reading →

Pandyan Dynasty The coins issued by the Pandyan dynasty were square-shaped with an image of an elephant in the early period.  Later, fish became a very important symbol in the coins. The gold and silver coins had inscriptions in Sanskrit … Continue reading →

Coins of Chalukyan Kings Pulakeshin I founded the Chalukyan dynasty (6th century CE) with its capital at Badami in Karnataka. One side of the coin had an image of a temple or a lion and legends. The other side was … Continue reading →

Gupta Age Coins The Gupta coins were mainly made of gold, although they issued silver and copper coins too. On one side of these coins, the king can be found standing and making oblations before an altar, playing the veena, … Continue reading →

Satavahanas Coins The Satavahana kings mostly used lead as a material for their coins and silver coins were rare. They used an alloy of silver and copper called ‘potin’. On one side, most of the Satavahana coins had the figure … Continue reading →

Indo-Greeks introduced the fashion of showing the bustor head of the ruler on the coins.  The legends on their Indian coins were mentioned in two languages—in Greek on one of the side and in Kharosthi on the other side of … Continue reading →

Basics The earliest account of issuing coins dates back to the 7th-6th Century BCE.  These coins were ‘punched-mark’ coins made in silver.  They were initially issued by merchant guilds. The earliest coins were casted coins and were die-struck only on … Continue reading →